<template>
   
        <div class="mui-numbox" data-numbox-min='1' >
            <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
            <input id="test" class="mui-input-numbox" type="number" value="1"  @change="countChanged" ref="numbox"  />
            <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
        </div>
   
</template>

<script>
import mui from  "../../lib/mui/js/mui.js"

export default {

    mounted(){
        // 初始化数字选择组件
        mui(".mui-numbox").numbox();
        console.log(this.max)
    },
    methods:{
        countChanged(){
            // 每当文本框的值发生改变之后 触发方法
           this.$emit("getCount",parseInt(this.$refs.numbox.value)) ;
        }
    },
    props:["max"],
    watch:{
        // 属性监听
        'max':function(newVal,oldVal){
            mui(".mui-numbox").numbox().setOption('max',newVal)
        }
    }
}
</script>

<style>

</style>